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x/tools/gopls: deprecate experimentalWatchedFileDelay #55268

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findleyr opened this issue Sep 20, 2022 · 1 comment
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x/tools/gopls: deprecate experimentalWatchedFileDelay #55268

findleyr opened this issue Sep 20, 2022 · 1 comment
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gopls Issues related to the Go language server, gopls. Tools This label describes issues relating to any tools in the x/tools repository.
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@findleyr
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I added experimentalWatchedFileDelay for LSP clients that don't buffer file change notifications. In retrospect, I think this was a mistake:

  • Clients have more knowledge of user intent, and so are better fit to implement change buffering (e.g. during branch switches)
  • Clients should control the ordering of changes. By buffering change notifications gopls observes a different ordering of changes than is sent by the client. This shouldn't matter in practice, but feels incorrect.
  • Change processing should be fast. In some sense, this setting was only working around a limitation of gopls that it had to do a remarkable amount of bookkeeping for each change. We've since improved that significantly (https://go.dev/issue/45686).

Therefore, I think we should remove this setting (which never made it out of 'experimental' anyway), to reduce complexity within gopls.

@gopherbot gopherbot added Tools This label describes issues relating to any tools in the x/tools repository. gopls Issues related to the Go language server, gopls. labels Sep 20, 2022
@gopherbot gopherbot added this to the Unreleased milestone Sep 20, 2022
@findleyr findleyr self-assigned this Sep 22, 2022
@findleyr findleyr modified the milestones: Unreleased, gopls/v0.10.0 Sep 22, 2022
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Change https://go.dev/cl/434640 mentions this issue: gopls: deprecate three experimental features

netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this issue Jan 7, 2023
gopls/v0.11.0

This is a small release containing new integrations of vulnerability analysis.

Vulnerability analysis for go.mod files can be enabled by configuring the
"vulncheck" setting to "Imports". For more information on vulnerability
management, see the Vulnerability Management for Go blog post.

Support changes

This release removes support for the "experimentalUseInvalidMetadata" setting,
as described in the v0.10.0 release. Other settings slated for deprecation in
that release remain temporarily supported, but will be removed in v0.12.0.

New Features

- Analyzing dependencies for vulnerabilities
- Additional checks for the loopclosure analyzer

gopls/v0.10.0

This release contains initial support for standalone packages and package
renaming. Please see below for more details.

We are also changing our release policy to better align with semver.

Support changes

This version of gopls contains changes to our release policy, deprecates
support for some older Go versions, and deprecates support for several
experimental features.

New release policy

As described in golang/go#55267, we are tightening our release policy to better
follow semver, increase stability, and reduce release-related toil. Significant
new features will only be introduced in *.*.0 patch versions, and subsequent
patch releases will consist only of bugfixes. For example, this version
(v0.10.0) introduces several new features, described below. Subsequent v0.10.*
releases will contain only bugfixes.

Final support for Go 1.13-1.15

Consistent with the above release policy and our stated support window, the
v0.10.* minor version will be the final set of releases to support being used
with Go 1.13-1.15. See golang/go#52982 for details.

Gopls will pop up a warning if it resolves a version of the go command that is
older than 1.16. Starting with gopls@v0.11.0, gopls will cease to function when
used with a go command with a version older than 1.16.

Deprecated experimental features

The following experimental features are deprecated, and will be removed in
gopls@v0.11.0:

  * experimentalWorkspaceModule (golang/go#52897): this feature has been
    replaced by go.work files. See our documentation for information on how to
    use go.work files to work on multiple modules.
  * experimentalWatchedFileDelay (golang/go#55268): LSP clients should instead
    be responsible for buffering workspace/didChangeWatchedFiles notifications.
  * experimentalUseInvalidMetadata (golang/go#54180): we are going to focus
    instead on improving diagnostics for broken workspaces.

New Features

Support for "standalone packages"

Gopls now recognizes certain files as "standalone main packages", meaning they
should be interpreted as main packages consisting of a single file. To do this,
gopls looks for packages named main containing a single build constraint that
matches one of the tags configured by the new standaloneTags setting.
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this issue Jan 18, 2023
gopls/v0.11.0

This is a small release containing new integrations of vulnerability analysis.

Vulnerability analysis for go.mod files can be enabled by configuring the
"vulncheck" setting to "Imports". For more information on vulnerability
management, see the Vulnerability Management for Go blog post.

Support changes

This release removes support for the "experimentalUseInvalidMetadata" setting,
as described in the v0.10.0 release. Other settings slated for deprecation in
that release remain temporarily supported, but will be removed in v0.12.0.

New Features

- Analyzing dependencies for vulnerabilities
- Additional checks for the loopclosure analyzer

gopls/v0.10.0

This release contains initial support for standalone packages and package
renaming. Please see below for more details.

We are also changing our release policy to better align with semver.

Support changes

This version of gopls contains changes to our release policy, deprecates
support for some older Go versions, and deprecates support for several
experimental features.

New release policy

As described in golang/go#55267, we are tightening our release policy to better
follow semver, increase stability, and reduce release-related toil. Significant
new features will only be introduced in *.*.0 patch versions, and subsequent
patch releases will consist only of bugfixes. For example, this version
(v0.10.0) introduces several new features, described below. Subsequent v0.10.*
releases will contain only bugfixes.

Final support for Go 1.13-1.15

Consistent with the above release policy and our stated support window, the
v0.10.* minor version will be the final set of releases to support being used
with Go 1.13-1.15. See golang/go#52982 for details.

Gopls will pop up a warning if it resolves a version of the go command that is
older than 1.16. Starting with gopls@v0.11.0, gopls will cease to function when
used with a go command with a version older than 1.16.

Deprecated experimental features

The following experimental features are deprecated, and will be removed in
gopls@v0.11.0:

  * experimentalWorkspaceModule (golang/go#52897): this feature has been
    replaced by go.work files. See our documentation for information on how to
    use go.work files to work on multiple modules.
  * experimentalWatchedFileDelay (golang/go#55268): LSP clients should instead
    be responsible for buffering workspace/didChangeWatchedFiles notifications.
  * experimentalUseInvalidMetadata (golang/go#54180): we are going to focus
    instead on improving diagnostics for broken workspaces.

New Features

Support for "standalone packages"

Gopls now recognizes certain files as "standalone main packages", meaning they
should be interpreted as main packages consisting of a single file. To do this,
gopls looks for packages named main containing a single build constraint that
matches one of the tags configured by the new standaloneTags setting.
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